March weather in Merwin, MO
The average temperature in Merwin in March is 44.8°F (33.2°F–56.4°F). Average precipitation: 2.76 inches. Average snowfall is 1.2 inches.
March is a spring month in Merwin, and is cooler than the annual average of 55.6°F. Daily temperatures swing about 23.2°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 11h 45m. For travel, March is cool.
Avg High
56.4°F
Avg Low
33.2°F
Precipitation
2.76 in
Snow
1.2 in
March records in Merwin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 78.1°F (1972) | 1.9°F (1962) | 1.15 in (1987) |
| March 2 | 82.9°F (2006) | -2.9°F (1980) | 1.12 in (2026) |
| March 3 | 81.0°F (2022) | -2.9°F (1980) | 1.34 in (2008) |
| March 4 | 81.0°F (2024) | -4.0°F (1978) | 2.26 in (1985) |
| March 5 | 84.9°F (1956) | -8.0°F (2002) | 2.61 in (2004) |
| March 6 | 79.0°F (1974) | 7.0°F (2002) | 0.60 in (1961) |
| March 7 | 78.1°F (1974) | 8.1°F (1996) | 0.81 in (1958) |
| March 8 | 81.0°F (1992) | 3.0°F (1996) | 1.80 in (1998) |
| March 9 | 75.9°F (1974) | 5.0°F (1969) | 2.07 in (1974) |
| March 10 | 82.0°F (1955) | 8.1°F (1948) | 0.98 in (2009) |
| March 11 | 81.0°F (2026) | -4.0°F (1948) | 2.23 in (1974) |
| March 12 | 79.0°F (2014) | -5.1°F (1948) | 1.67 in (1977) |
| March 13 | 79.0°F (2005) | 3.9°F (1988) | 1.33 in (2021) |
| March 14 | 81.0°F (2012) | 12.0°F (1993) | 0.63 in (2011) |
| March 15 | 82.9°F (2002) | 7.0°F (1949) | 1.97 in (1990) |
| March 16 | 78.1°F (2003) | 12.0°F (2026) | 1.47 in (2001) |
| March 17 | 82.0°F (2012) | 10.9°F (2026) | 0.97 in (2021) |
| March 18 | 80.1°F (1994) | 12.0°F (1965) | 2.22 in (2021) |
| March 19 | 80.1°F (1982) | 10.9°F (1965) | 2.40 in (1984) |
| March 20 | 84.9°F (2017) | 10.0°F (1965) | 1.87 in (2012) |
| March 21 | 91.9°F (2026) | 12.0°F (1951) | 1.30 in (1962) |
| March 22 | 93.9°F (2026) | 9.0°F (1955) | 1.63 in (2022) |
| March 23 | 93.9°F (2026) | 10.9°F (1965) | 0.95 in (1979) |
| March 24 | 79.0°F (2017) | 1.0°F (1974) | 1.65 in (1969) |
| March 25 | 80.1°F (1989) | 10.0°F (1974) | 1.90 in (1973) |
| March 26 | 88.0°F (2026) | 1.0°F (1955) | 0.82 in (1942) |
| March 27 | 91.9°F (2026) | 12.9°F (1996) | 0.64 in (1967) |
| March 28 | 82.9°F (1963) | 21.0°F (1955) | 1.96 in (2004) |
| March 29 | 84.9°F (1986) | 21.0°F (1970) | 2.30 in (2009) |
| March 30 | 82.0°F (1986) | 18.0°F (1950) | 1.10 in (1948) |
| March 31 | 84.9°F (1966) | 17.1°F (1987) | 1.27 in (1953) |